var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
const fs = require("fs");
var generatorZip = require('./generatorZip');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


app.all('/getZip',function(req, res) {
  try{
    let entity = JSON.parse(req.body.entity);
    let data = generatorZip.getZip(entity);
    let fileName = 'generator.zip';
    let filePath = path.join(__dirname,'./public/upload/',fileName);
    fs.writeFileSync(filePath, data, 'binary')
    res.send('/upload/'+fileName);
  }catch(e){
    res.send({success:false,message:'系统错误!!',err:e});
  }
  
});


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
